linux-kernel - [PATCH v2 4/5] ARM: berlin/dt: add cpupll and syspll support to BG2CD

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Date:	Fri, 21 Mar 2014 21:08:40 +0100
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Mike Turquette <mturquette@...aro.org>
Cc:	Jimmy Xu <zmxu@...vell.com>, Jisheng Zhang <jszhang@...vell.com>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Antoine Ténart 
	<antoine.tenart@...e-electrons.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH v2 4/5] ARM: berlin/dt: add cpupll and syspll support to BG2CD

The Berlin BG2CD has two supported PLLs: CPU PLL and System PLL, add those to
the SoC device tree.

This also moves the remaining clocks from the clocks container node to the root.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
 arch/arm/boot/dts/berlin2cd.dtsi | 48 ++++++++++++++++++++++++++--------------
 1 file changed, 31 insertions(+), 17 deletions(-)

diff --git a/arch/arm/boot/dts/berlin2cd.dtsi b/arch/arm/boot/dts/berlin2cd.dtsi
index 094968c27533..bd4e9dd4867e 100644
--- a/arch/arm/boot/dts/berlin2cd.dtsi
+++ b/arch/arm/boot/dts/berlin2cd.dtsi
@@ -30,24 +30,24 @@
 		};
 	};
 
-	clocks {
-		smclk: sysmgr-clock {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <25000000>;
-		};
+	smclk: sysmgr-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <25000000>;
+	};
 
-		cfgclk: cfg-clock {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <75000000>;
-		};
+	cfgclk: cfg-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <75000000>;
+	};
 
-		sysclk: system-clock {
-			compatible = "fixed-clock";
-			#clock-cells = <0>;
-			clock-frequency = <300000000>;
-		};
+	twdclk: twdclk {
+		compatible = "fixed-factor-clock";
+		#clock-cells = <0>;
+		clocks = <&cpupll>;
+		clock-mult = <1>;
+		clock-div = <3>;
 	};
 
 	soc {
@@ -76,7 +76,21 @@
 			compatible = "arm,cortex-a9-twd-timer";
 			reg = <0xad0600 0x20>;
 			interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&sysclk>;
+			clocks = <&twdclk>;
+		};
+
+		syspll: syspll@...014 {
+			compatible = "marvell,berlin2-pll";
+			clocks = <&smclk>;
+			#clock-cells = <0>;
+			reg = <0xf7ea0014 8>;
+		};
+
+		cpupll: cpupll@...03c {
+			compatible = "marvell,berlin2-pll";
+			clocks = <&smclk>;
+			#clock-cells = <0>;
+			reg = <0xf7ea003c 8>;
 		};
 
 		apb@...000 {
-- 
1.8.3.2

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